# Spread Spectrum

A universal and efficient compressed sensing strategy based on the use of a spread spectrum technique...

## Application to Magnetic Resonance Imaging (MRI)

The figure below shows the MRI image obtained without (left) and with (right) the Spread Spectrum Technology.

Source: http://www.cibm.ch/.

The figure below shows the Phase transition of the ℓ1-minimization problem for sparse signals in the Fourier basis and random selection of Fourier (first and third panels) or Hadamard (second and fourth panels) measurements without and with random modulation:

*I**n Puy et al. submitted to SPARS'11*

## More details